New research published in the journal Nature (19 July) has proved the single origin of humans theory by combining studies of global genetic variations in humans with skull measurements across the world. The research, at the University of Cambridge and funded by the Biotechnology and Biological Sciences Research Council (BBSRC), represents a final blow for supporters of a multiple origins of humans theory.

Posted : Fri, Jul 20, 2007

   Not only does exercise make most people feel better and perform physical tasks better, it now appears that exercise specifically, resistance training -- actually rejuvenates muscle tissue in healthy senior citizens.

Posted : Thu, May 24, 2007